Weather in East Sussex, United Kingdom in September

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Visiting East Sussex, United Kingdom in September

September is one of the best months to visit East Sussex for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

September has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 42.5% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 0.6cm (0.2inches) making it predominantly dry with occasional light showers on very few days. There are just 9.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a chilly 19°C (66°F). September is a little too cold to enjoy swimming in East Sussex for prolonged periods of time.

Also consider visiting East Sussex in one of the other best months of June, July, August, for the best beach weather.

Also consider one of our other suggestions for September.

Can you sunbathe in East Sussex in September?

No, September is not a good time for sunbathing in East Sussex.

September has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 42.5% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 0.6cm (0.2inches) making it predominantly dry with occasional light showers on very few days. There are just 9.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about September temperature and sunshine.

Can you swim in East Sussex in September?

Probably not, September is a little too cold to enjoy swimming in East Sussex for prolonged periods of time with the sea water at 19°C (66°F).

More about September sea temperatures.

Is September a good time to holiday in East Sussex?

Yes, September is a good time for a holiday in East Sussex.

September has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 42.5% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 0.6cm (0.2inches) making it predominantly dry with occasional light showers on very few days. There are just 9.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a chilly 19°C (66°F). September is a little too cold to enjoy swimming in East Sussex for prolonged periods of time.

More about the September temperatures and sunshine.

Is East Sussex warm in September?

Yes, East Sussex is not that warm but sunbathing may be possible on some clear days in September.

The average maximum temperature in East Sussex in September is 19°C (66°F). The average maximum temperature is 20°C (68°) in the previous month and 16°C (60°F) in the next month.

The average temperature in East Sussex in September is 16°C (61°F). The average temperature is 18°C (64°F) in the previous month and 13°C (55°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is East Sussex in September?

The average day light hours per day in East Sussex in September are 12.7. The sunshine percentage is 42.5% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

More about September sunshine.

Temperature in East Sussex in September

The average maximum temperature in East Sussex in September is 19°C (66°F). The average maximum temperature is 20°C (68°F) in the previous month and 16°C (60°F) in the next month.

The average temperature in East Sussex in September is 16°C (61°F). The average temperature is 18°C (64°F) in the previous month and 13°C (55°F) in the next month.

The average minimum temperature in East Sussex in September is 13°C (56°F). The minimum temperature is 15°C (60°F) in the previous month and 11°C (52°F) in the next month.

Sunshine in East Sussex in September

During September the average day light hours are 12.7 per day in East Sussex. The sunshine percentage is 42.5% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

The ultraviolet index in East Sussex in September is typically 4.2 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in East Sussex in September

The average sea water temperature in East Sussex in September is 18.9°C (66.0°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Rainfall in East Sussex in September

The average total rainfall in East Sussex in September is 0.6cm (0.2inches) and on average there are 9.1 rainy days in September making it a quite rainy time to visit the beach.

Humidity in East Sussex in September

The maximum dew point (an indicator of humidity) in East Sussex in September is 14°C (58°F) which is comfortable for everyone. The dew point is 15°C (59°F) in the previous month and 12°C (12°F) in the next month.

The average maximum relative humidity in East Sussex in September is typically 92.1%. The maximum relative humidity is 89.8% in the previous month and 93.9% in the next month.

The average relative humidity in East Sussex in September is typically 77.5%. The average relative humidity is 75.6% in the previous month and 81.8% in the next month.

Wind Speed in East Sussex in September

The average maximum wind speed in East Sussex in September is typically 29KM/H (18MPH). The average maximum wind speed is 31KM/H (19MPH) in the previous month and 30KM/H (19MPH) in the next month.

The average wind speed in East Sussex in September is typically 19KM/H (12MPH). The average wind speed is 20KM/H (13MPH) in the previous month and 20KM/H (13MPH) in the next month.

The average wind direction in East Sussex in September is from the West-Southwest.

Monthly Averages

Suggested Beaches in September

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